Radiator



FIG. 1 is a front perspective view of a radiator with a flat facade, the flat facade being surrounded by an air passage into an interior of the radiator, showing my new design;

FIG. 2 is a front elevation view thereof; and,

FIG. 3 is a left side elevation view thereof, the opposite side being a mirror image of that shown. 

CLAIM The ornamental design for a radiator, as shown and described. 